Set top box



FIG. 1 is a front perspective view of the invention.

FIG. 2 is a rear perspective view of the invention.

FIG. 3 is a front plan view of the invention.

FIG. 4 is a rear plan view of the invention.

FIG. 5 is a left side view of the invention.

FIG. 6 is a right side view of the invention.

FIG. 7 is a top view of the invention; and,

FIG. 8 is a bottom view of the invention.

The broken lines depict portions of the set top box that form no part of the claimed design. 

CLAIM The ornamental design for a set top box, as shown and described. 